cef/libcef/common/widevine_loader.h

71 lines
2.0 KiB
C++

// Copyright 2016 The Chromium Embedded Framework Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be found
// in the LICENSE file.
#ifndef CEF_LIBCEF_COMMON_WIDEVINE_LOADER_H_
#define CEF_LIBCEF_COMMON_WIDEVINE_LOADER_H_
#pragma once
#include "build/build_config.h"
#include "media/media_buildflags.h"
#include "third_party/widevine/cdm/buildflags.h"
#if BUILDFLAG(ENABLE_WIDEVINE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)
#include <vector>
#include "include/cef_web_plugin.h"
#include "base/lazy_instance.h"
namespace content {
struct CdmInfo;
}
namespace media {
struct CdmHostFilePath;
}
class CefWidevineLoader {
public:
// Returns the singleton instance of this object.
static CefWidevineLoader* GetInstance();
// Load the Widevine CDM. May be called before or after context creation. See
// comments in cef_web_plugin.h.
void LoadWidevineCdm(const base::FilePath& path,
CefRefPtr<CefRegisterCdmCallback> callback);
// Plugin registration is triggered here if LoadWidevineCdm() was called
// before context creation.
void OnContextInitialized();
#if defined(OS_LINUX)
// The zygote process which is used when the sandbox is enabled on Linux
// requires early loading of CDM modules. Other processes will receive
// load notification in the usual way.
// Called from AlloyContentClient::AddContentDecryptionModules.
static void AddContentDecryptionModules(
std::vector<content::CdmInfo>* cdms,
std::vector<media::CdmHostFilePath>* cdm_host_file_paths);
const base::FilePath& path() { return path_; }
#endif
private:
friend struct base::LazyInstanceTraitsBase<CefWidevineLoader>;
// Members are only accessed before context initialization or on the UI
// thread.
bool load_pending_ = false;
base::FilePath path_;
CefRefPtr<CefRegisterCdmCallback> callback_;
CefWidevineLoader();
~CefWidevineLoader();
};
#endif // BUILDFLAG(ENABLE_WIDEVINE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)
#endif // CEF_LIBCEF_COMMON_WIDEVINE_LOADER_H_